gecko-dev/layout/generic/nsRubyBaseContainerFrame.h

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3.5 KiB
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code is subject to the terms of the Mozilla Public License
* version 2.0 (the "License"). You can obtain a copy of the License at
* http://mozilla.org/MPL/2.0/. */
/* rendering object for CSS "display: ruby-base-container" */
#ifndef nsRubyBaseContainerFrame_h___
#define nsRubyBaseContainerFrame_h___
#include "nsContainerFrame.h"
#include "RubyUtils.h"
/**
* Factory function.
* @return a newly allocated nsRubyBaseContainerFrame (infallible)
*/
nsContainerFrame* NS_NewRubyBaseContainerFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
class nsRubyBaseContainerFrame final : public nsContainerFrame
{
public:
NS_DECL_FRAMEARENA_HELPERS(nsRubyBaseContainerFrame)
NS_DECL_QUERYFRAME
// nsIFrame overrides
virtual bool IsFrameOfType(uint32_t aFlags) const override;
virtual bool CanContinueTextRun() const override;
virtual void AddInlineMinISize(gfxContext *aRenderingContext,
InlineMinISizeData *aData) override;
virtual void AddInlinePrefISize(gfxContext *aRenderingContext,
InlinePrefISizeData *aData) override;
virtual mozilla::LogicalSize
ComputeSize(gfxContext *aRenderingContext,
mozilla::WritingMode aWritingMode,
const mozilla::LogicalSize& aCBSize,
nscoord aAvailableISize,
const mozilla::LogicalSize& aMargin,
const mozilla::LogicalSize& aBorder,
const mozilla::LogicalSize& aPadding,
ComputeSizeFlags aFlags) override;
virtual void Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus) override;
virtual nscoord
GetLogicalBaseline(mozilla::WritingMode aWritingMode) const override;
#ifdef DEBUG_FRAME_DUMP
virtual nsresult GetFrameName(nsAString& aResult) const override;
#endif
void UpdateDescendantLeadings(const mozilla::RubyBlockLeadings& aLeadings) {
mDescendantLeadings.Update(aLeadings);
}
mozilla::RubyBlockLeadings GetDescendantLeadings() const {
return mDescendantLeadings;
}
protected:
friend nsContainerFrame*
NS_NewRubyBaseContainerFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext);
explicit nsRubyBaseContainerFrame(nsStyleContext* aContext)
: nsContainerFrame(aContext, kClassID)
{}
struct RubyReflowInput;
nscoord ReflowColumns(const RubyReflowInput& aReflowInput,
nsReflowStatus& aStatus);
nscoord ReflowOneColumn(const RubyReflowInput& aReflowInput,
uint32_t aColumnIndex,
const mozilla::RubyColumn& aColumn,
nsReflowStatus& aStatus);
nscoord ReflowSpans(const RubyReflowInput& aReflowInput);
struct PullFrameState;
// Pull ruby base and corresponding ruby text frames from
// continuations after them.
void PullOneColumn(nsLineLayout* aLineLayout,
PullFrameState& aPullFrameState,
mozilla::RubyColumn& aColumn,
bool& aIsComplete);
nscoord mBaseline;
// Leading produced by descendant ruby annotations.
mozilla::RubyBlockLeadings mDescendantLeadings;
};
#endif /* nsRubyBaseContainerFrame_h___ */